*{
  margin: 0;
  padding: 0;
}
body{
  width: 100%;
  height: 100%;
  background-color: #ffffff;
  background-size: cover;
}
#app{
  width: 100%;
  height: 100%;
}

.el-header, .el-footer {
  background-color: #ffffff;
  color: #333;
  text-align: center;
  line-height: 60px;
}

.el-aside {
  background-color: #D3DCE6;
  color: #333;
  text-align: center;
  line-height: 200px;
  height: 700px;
  background-color: rgb(84, 92, 100);
}

.el-main {
  background-color: #E9EEF3;
  color: #333;
  text-align: center;
  line-height: 160px;
}

body > .el-container {
  margin-bottom: 40px;
}
